mohamad adzali, Mohamad hazwan, and Mohd Khairy Burhanudin. “Mechanical and Chemical Properties of Coal Bottom Ash As Sand and Cement Replacement: A Review”. Recent Trends in Civil Engineering and Built Environment 3, no. 1 (July 17, 2022): 96–103. Accessed February 29, 2024. https://publisher.uthm.edu.my/periodicals/index.php/rtcebe/article/view/3273.